DtCameraPointerStateAttribute.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCore/DtDe.h>
#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtOsgLightManager.h>

#include <osg/StateAttribute>

namespace makVrv
{

   class DT_DLL_VRVOSG DtCameraPointerStateAttribute : public osg::StateAttribute
   {
   public:

      DtCameraPointerStateAttribute(const osg::Camera* camera);

      DtCameraPointerStateAttribute(const DtCameraPointerStateAttribute& att,
         const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);

      virtual ~DtCameraPointerStateAttribute();
         
   public:

      // OSG-required overrides:

      virtual void apply(osg::State& state) const override;

      virtual osg::Object* cloneType() const override;

      virtual osg::Object* clone(const osg::CopyOp& copyop) const override;

      virtual bool isSameKindAs(const osg::Object* obj) const override;

      virtual const char *libraryName() const override;

      virtual const char *className() const override;

      virtual Type getType() const override;

      virtual bool getModeUsage(osg::StateAttribute::ModeUsage& usage) const override;

      virtual int compare(const StateAttribute& sa) const override;
         
      virtual const osg::Camera* camera() const;

   public:
      static Type theStateAttributeType();

   protected:
      const osg::Camera* myCamera;
   };
}